SD Card Test - SanDisk Extreme Pro Vs Ultra/Micro SD Class 4 VS Class 1

Hello guys, are you enough curios about the actual speed of the sd card San Disk Extreme Pro Card and Micro SD Card Class 4 vs Class 1. The simple test shows the writing speeds and downloading speeds among these memory cards also they are quite sd deals on the market right now. One of the main references for the speed of the SDHC Card is contraction UHS-I - to 100mb/s and UHS-II to 300mb/s, on the other hand Micro SD Card speed reference is their class
San Disk UHS-ii 32gb - s.click.aliexpress.com/e/_9QesfV
San Disk UHS-i 16gb - s.click.aliexpress.com/e/_AcJbcF
Samsung Evo Plus - s.click.aliexpress.com/e/_A3cdUL
Kingstone Class 4 - s.click.aliexpress.com/e/_9iPNDd
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[@rocheuro]

these results are out of a hat. use a proper usb 3.1 reader.

[@avg4570]

@Maciej Jan Długosz it’s probably the card reader.